Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
266365 (2007 ER56)
Classification: Main-belt Asteroid          SPK-ID: 2266365
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1905749975915104 6.4633e-08  
a 2.605302742231571 2.1125e-08 au
q 2.108797178405634 1.6958e-07 au
i 4.848929524458058 7.6596e-06 deg
node 139.1017696310703 7.3838e-05 deg
peri 17.65225675827063 7.6631e-05 deg
M 64.14276872634495 2.3393e-05 deg
tp 2458726.827648812062
(2019-Aug-31.32764881)
9.735e-05 TDB
period 1535.980569345027
4.21
1.8681e-05
5.115e-08
d
yr
n .2343779649201625 2.8506e-09 deg/d
Q 3.101808306057508 2.515e-08 au
  Orbit Determination Parameters
   # obs. used (total)      197  
   data-arc span      8620 days (23.60 yr)  
   first obs. used      1996-09-21  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62754  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 15:23:25  

Additional Information
 Earth MOID = 1.11913 au 
 Jupiter MOID = 1.88768 au 
 T_jup = 3.382 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO470829  

266365 (2007 ER56)          Discovered 2007-Mar-12 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-10 00:45 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin